98608987 has 4 divisors (see below), whose sum is σ = 98636616. Its totient is φ = 98581360.

The previous prime is 98608973. The next prime is 98609011. The reversal of 98608987 is 78980689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78980689 = 23 ⋅3433943.

It is a cyclic number.

It is not a de Polignac number, because 98608987 - 2⁷ = 98608859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98608927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7498 + ... + 15919.

It is an arithmetic number, because the mean of its divisors is an integer number (24659154).

Almost surely, 2^98608987 is an apocalyptic number.

98608987 is a deficient number, since it is larger than the sum of its proper divisors (27629).

98608987 is a wasteful number, since it uses less digits than its factorization.

98608987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27628.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 98608987 is about 9930.2057884014. The cubic root of 98608987 is about 461.9966563978.

The spelling of 98608987 in words is "ninety-eight million, six hundred eight thousand, nine hundred eighty-seven".